Finding the Third Proportional to 43,389 and 65,452.50

Step by Step Solution

1. Step 1: Write the proportion equation
   43,389 : 65,452.50 = 65,452.50 : x
2. Step 2: Convert to fraction form
   43,389/65,452.50 = 65,452.50/x
3. Step 3: Cross multiply
   43,389x = 65,452.50 × 65,452.50
4. Step 4: Simplify right side
   43,389x = 4,284,029,756.25
5. Step 5: Solve for x
   x = 4,284,029,756.25/43,389
6. Step 6: Final answer
   x = 98,735.39